Executive Board

Accessory Revenue & Attachment Overview

这个 board 看 company-wide 配件销售健康度:配件 gross / net revenue、配件收入占全公司销售比例、随车 attachment rate 变化,以及统一的 Accessory Value per Ebike。DTC 使用 Domo DTC 数据;IBD 使用 Domo IBD Better Report 数据源。
配件 YTD Gross Revenue

$2.71M,其中 DTC $1.77M,IBD $947.3K。

Company-wide Revenue Share

Gross share 4.00%,Net share 3.90%;最新月 2026-07 MTD 分别为 5.91% / 5.77%。

Attachment Rate Movement

2026-01 28.52% → 2026-07 MTD 34.22%(+5.70pp)。

Accessory Value per Ebike

口径:paid accessory gross revenue / 所有 ebike units;YTD 为 $55。

时间窗口:2026-01-01 ~ 2026-07-20YoY 对比:2025-01-01 ~ 2025-07-20DTC Gross = Total sales;DTC Net = Total net sales;IBD Gross/Net = Total salesAttachment Rate = 同一订单含 ebike + paid accessory / ebike orders
YTD Accessory Gross Revenue
$2.71M
YoY +44.92%
YTD Accessory Net Revenue
$2.60M
YoY +44.67%
Gross Rev Share
4.00%
YoY -0.80pp
Net Rev Share
3.90%
YoY -0.80pp
YTD Attachment Rate
33.33%
YoY -9.10pp; 5,414 / 16,244
Accessory Value per Ebike
$55
分母:49,509 ebike units;YoY -11.92%

Deep-dive Tools

从整体配件大盘往下钻:看 DTC 用户买车后的配件生命周期、首购转化和复购机会。

Executive Summary by Channel

DTC 和 IBD 用同一套商业指标对齐;IBD不区分gross/net,因此两列相同。
ChannelGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAttachment ChangeAccessory Value per Ebike
Total$2,713,554+44.92%$2,601,510+44.67%4.00%-0.80pp3.90%-0.80pp16,2445,41433.33%-9.10pp+5.70pp$55
DTC$1,766,271+46.38%$1,654,227+46.08%10.46%+0.25pp10.45%+0.24pp7,2833,17443.58%-7.34pp-3.32pp$219
IBD$947,283+42.27%$947,283+42.27%1.86%-0.59pp1.86%-0.59pp8,9612,24025.00%-8.42pp+8.56pp$23

Monthly Trend

默认看 Total;点击 DTC / IBD 可以拆开看每个月配件收入贡献、attachment rate 和 Accessory Value per Ebike。
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$166,035+92.64%$158,161+93.76%4.31%-2.47pp4.18%-2.45pp1,03129428.52%-16.97pp$59
2026-02$156,854+39.06%$149,958+39.43%2.78%-2.18pp2.69%-2.13pp1,18127923.62%-19.73pp$38
2026-03$398,148+69.29%$383,354+69.49%3.18%-0.72pp3.10%-0.71pp2,49479731.96%-7.93pp$44
2026-04$501,553+17.60%$483,304+18.08%4.04%-1.07pp3.95%-1.04pp2,9741,12537.83%-9.76pp$54
2026-05$546,473+52.35%$523,674+51.54%4.05%-1.08pp3.94%-1.09pp3,2181,16236.11%-9.13pp$55
2026-06$620,595+64.43%$593,684+62.89%4.31%-0.55pp4.20%-0.57pp3,8121,23232.32%-9.77pp$59
2026-07 MTD$323,895+17.48%$309,375+17.40%5.91%+1.53pp5.77%+1.48pp1,53452534.22%-1.95pp$85
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$118,500+68.59%$110,626+68.31%12.13%+0.34pp12.12%+0.33pp41518745.06%-7.81pp$254
2026-02$107,587+26.26%$100,692+25.92%10.06%-2.71pp10.07%-2.68pp43115034.80%-23.95pp$208
2026-03$234,783+61.04%$219,988+60.84%10.68%+1.77pp10.68%+1.77pp94444246.82%-4.16pp$229
2026-04$287,718+2.39%$269,470+2.14%10.11%-1.15pp10.11%-1.15pp1,24059347.82%-10.90pp$210
2026-05$366,078+69.27%$343,279+68.97%10.73%+0.14pp10.73%+0.13pp1,47369647.25%-5.80pp$228
2026-06$421,600+99.94%$394,689+99.42%9.43%-1.54pp9.42%-1.55pp1,97577038.99%-14.22pp$194
2026-07 MTD$230,004+16.63%$215,484+16.46%11.99%+3.98pp11.99%+3.98pp80533641.74%+2.01pp$258
MonthGross RevenueGross YoYNet RevenueNet YoYGross Rev ShareGross Share YoYNet Rev ShareNet Share YoYEbike OrdersAttach OrdersAttachment RateAttachment YoYAccessory Value per Ebike
2026-01$47,535+199.00%$47,535+199.00%1.66%-0.70pp1.66%-0.70pp61610717.37%-15.60pp$20
2026-02$49,266+78.61%$49,266+78.61%1.08%-0.64pp1.08%-0.64pp75012917.20%-11.53pp$14
2026-03$163,366+82.74%$163,366+82.74%1.59%-0.44pp1.59%-0.44pp1,55035522.90%-6.42pp$20
2026-04$213,834+46.97%$213,834+46.97%2.24%-0.24pp2.24%-0.24pp1,73453230.68%-5.23pp$27
2026-05$180,395+26.67%$180,395+26.67%1.79%-1.08pp1.79%-1.08pp1,74546626.70%-11.30pp$22
2026-06$198,995+19.47%$198,995+19.47%2.00%-0.85pp2.00%-0.85pp1,83746225.15%-8.88pp$24
2026-07 MTD$93,891+19.62%$93,891+19.62%2.63%+0.58pp2.63%+0.58pp72918925.93%-4.11pp$32
Velotric DTC Accessories

DTC Accessory Strategy

这个看板用最新 Domo DTC 数据看配件大盘:配件收入、三类随车 attach rate、accessory-only 复购/补买、Domo fixed Kit 销售,以及车型维度的商品化机会。
DTC 配件收入继续放大

YTD DTC 配件 net revenue $1.58M,占 DTC online revenue 10.30%;2026-07 MTD revenue share 10.63%。

Accessory-only 是独立增长池

Accessory-only 贡献 64.92% 配件收入,约 $1.03M;订单占比为 72.32%。

固定 Kit 用 Domo 口径追踪

2026-05-20 至 2026-07-13 产生 400 个去重 kit orders,收入 $59,743;Comfort Upgrade Kit 当前最强。

Attach rate 统一为三口径

Overall 69.22%;Fix bundle 9.98%;Flex bundle 30.01%。三者分母均为所有买车订单。

更新时间:2026-07-13DTC Summary:YTD 2026-01-01 ~ 2026-07-13;Kit Tracking:2026-05-20 ~ 2026-07-13Revenue 口径剔除 free accessory / total sales <= 0;Attach rate 口径只判断买车订单是否包含配件
YTD DTC 配件 Revenue
$1.58M
占 DTC total revenue 10.30%
Overall Attach Rate
69.22%
Order: 2,489 / 3,596;Rev share 34.39%;AOV $107.46
Fix Bundle Rate
9.98%
Order: 359 / 3,596;Rev share 10.15%;AOV $219.83
Flex Bundle Rate
30.01%
Order: 1,079 / 3,596;Rev share 28.58%;AOV $206.03
Accessory-only Revenue Share
64.92%
Accessory-only revenue 约 $1.03M;按 order 72.32%

Overall Report|核心结论

先把 dashboard 的经营含义收拢成一页:哪些增长池已经验证、哪些路径需要产品化、下一步优先做什么。
1. Accessory 已是独立收入池
10.30%
YTD 配件收入 $1.58M;6 月 MTD share 为 10.63%,说明配件不是一次性附加销售。
2. Accessory-only 是最大订单池
72.32%
8,077 个 accessory-only orders,占配件订单多数;需要用 lifecycle / EDM / compatibility 内容单独经营。
3. 买车同单是高价值入口
69.22%
2,489 / 3,596 个整车订单同单包含任意配件;PDP/cart 仍是最高效率入口。
4. Bundle 产品化看 Fix + Flex
9.98% / 30.01%
Fix 看 order tag 含 bundle / kit;Flex 看同单 3+ 配件,代表 30% off 自选 bundle 机会。
5. Kit 证明用户接受打包表达
$59,743
Kit revenue 来自 400 个去重 orders;Comfort Upgrade Kit 当前最强,但目标是扩展车型 + 场景推荐,不只是多卖固定 Kit。
6. Bulk package 是履约承接指标
0.00%
最近完整周 2+ item bulk package rate;当前应作为多件配件订单增长后的尾程履约健康度指标。

Part 1. 月度 KPI Bridge|Revenue First

这张表只看 DTC accessory revenue 及其占 DTC total revenue 的比例;attach 相关数据统一放到 Part 2 三指标模块。
YTD DTC accessory revenue
$1.58M
配件 net revenue;当前口径和 Domo 主分析 CSV 对齐。
Latest month revenue share
10.63%
2026-07 MTD 配件收入占 DTC online revenue。
MonthDTC Total RevenueDTC Accessory RevenueAccessory Revenue Share
2026-01$912,576$110,62612.12%
2026-02$1,000,306$100,69210.07%
2026-03$2,060,153$219,98810.68%
2026-04$2,665,001$269,47010.11%
2026-05$3,204,061$343,64610.73%
2026-06$4,215,630$398,6579.46%
2026-07 MTD$1,316,214$139,88810.63%
YTD Total$15,373,941$1,582,96710.30%

Part 1B. Accessory-only 月度拆解

这里专门承接顶部 `Accessory-only Revenue Share` KPI,主看 accessory-only 的月度 revenue、revenue share,以及 3+ 购买深度。
Accessory-only order share
72.32%
8,077 / 11,168 个配件订单不含整车。
Accessory-only revenue share
64.92%
Accessory-only revenue 约 $1.03M。
Accessory-only 3件+
13.10%
1,058 个 accessory-only 订单买了 3 件或更多。
MonthAccessory-only RevenueRevenue ShareAccessory-only OrdersOrder Share3+ Orders3+ Share in Accessory-only3+ Share in All Accessory Orders
2026-01$74,32767.08%51873.37%6412.36%9.07%
2026-02$70,90270.54%55178.60%5810.53%8.27%
2026-03$143,53065.24%1,06670.69%14813.88%9.81%
2026-04$162,62960.35%1,35669.57%15911.73%8.16%
2026-05$213,56062.12%1,72971.27%24214.00%9.98%
2026-06$265,67766.67%2,10373.10%30414.46%10.57%
2026-07 MTD$97,04069.37%75475.32%8311.01%8.29%
Total$1,027,66564.92%8,07772.32%1,05813.10%9.47%

Part 1C. Kit Tracking|Domo Bundle Line Title

这里改用 Domo DTC `Bundle line title contains kit` 口径,不再依赖 Shopify GraphQL 文件。Kit unit 是 Domo component lines 聚合到 order + kit title 后的 bundle quantity。
Tracking Window
5/20+
追踪窗口:2026-05-20 ~ 2026-07-13。
Unique Kit Orders
400
去重 Domo order;一单多个 kit 不重复计入整体订单数。
Kit Revenue
$59,743
共 526 个 kit units;按 kit type 加总订单 483。
Bundle line titleUnique Kit OrdersKit UnitsTotal Net SalesBundle AOV策略判断
Comfort Upgrade Kit213233$27,821$130.61收入主力 Comfort 需求最强,继续放在 PDP/cart 高曝光位。
Bike Essential Kit211230$22,144$104.95基础刚需 适合作为新车用户的默认通勤/安全配件组合。
Storage Kit5963$9,778$165.73继续验证 Storage 已有稳定样本,继续看车型适配和曝光位置。
Total by Kit Type483526$59,743$149.36按 kit type 加总订单可能高于整体去重订单;整体去重 Shopify order 是 400。

Part 2. 三类 Attach Rate|同一分母

这里统一所有 attach rate 的分母:所有 DTC 买车订单。只保留 Overall / Fix Bundle / Flex Bundle 三个口径,避免 revenue share、attach share 和 promo tag 混用。
Overall Attach Rate
69.22%
2,489 / 3,596 个买车订单;占 paid accessory revenue 34.39%;AOV $107.46。
Fix Bundle Rate
9.98%
359 / 3,596 个买车订单;占 paid accessory revenue 10.15%;AOV $219.83。
Flex Bundle Rate
30.01%
1,079 / 3,596 个买车订单;占 paid accessory revenue 28.58%;AOV $206.03。
MetricOrdersVehicle OrdersOrder RateAccessory RevenueRevenue ShareAOVDefinition
Overall Attach Rate2,4893,59669.22%$267,46434.39%$107.46所有买车订单里,只要同单包含任意配件即计入,不要求付费配件。
Fix Bundle Rate3593,5969.98%$78,91710.15%$219.83所有买车订单里,order tag 包含 bundle / kit 字样即计入。
Flex Bundle Rate1,0793,59630.01%$222,30828.58%$206.03所有买车订单里,同单包含 3 件或 3 件以上配件即计入,对应 30% off flex bundle 机会。

Part 3. 车型优先级与推荐组合

车型维度统一只看 3 个 attach rate:Overall、Fix Bundle、Flex Bundle。这里展示所有整车订单数 ≥10 的车型,避免漏掉 S1 / Summit 1。
Model ebike orders
3,662
纳入车型表的整车订单总量。
Overall Attach Rate
69.47%
2,544 / 3,662 个整车订单同单包含任意配件。
Fix Bundle Rate
10.10%
分母是该车型所有 ebike orders;order tag 包含 bundle / kit 即计入。
Flex Bundle Rate
30.53%
分母是该车型所有 ebike orders;同单 3+ 配件即计入。
车型整车订单数Overall Attach RateFix Bundle RateFlex Bundle Rate机会判断
Tempo57171.10%14.19%28.90%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Fold 1 Plus52872.16%18.37%32.95%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Discover 347774.21%8.18%34.38%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Summit 235170.66%6.27%24.79%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Nomad 2X35088.00%2.29%39.43%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Breeze25741.25%9.73%21.79%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Fold 121558.14%0.93%13.02%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
GoMad20872.12%34.62%31.25%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
Nomad 215088.67%0.00%35.33%优先产品化
随车配件需求强,但 bundle/promo 承接不足,适合优先做车型场景化组合。
Discover M15070.00%10.67%42.67%Fixed 已验证
Fixed/official bundle 已经有承接,下一步优化组合内容和曝光效率。
T1 ST Plus12283.61%1.64%58.20%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Summit 19742.27%1.03%10.31%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Discover 27847.44%3.85%19.23%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Triker5949.15%0.00%28.81%稳态优化
已有一定随车配件需求,继续优化推荐位和组合结构。
Unknown4938.78%4.08%22.45%先补基础推荐
整体随车购配件偏弱,先补兼容性说明和低门槛 add-ons。

30天优先动作

  1. 先守住购车同单推荐位:随整车购买贡献 35.06% 的配件收入,PDP / cart 推荐仍是最高效率入口。
  2. 把 accessory-only 单独经营:72.32% 的配件订单不含整车,应该用复购邮件、耗材提醒和组合推荐承接。
  3. 用 fixed kit 和高频组合验证商品化机会:先盯紧 Comfort Upgrade Kit / Bike Essential Kit 的销量表现,再把高频 2 件 / 3 件+组合做成更清晰的推荐包。

如何读这张看板

先看 DTC 配件收入和 accessory-only 是否稳定,再看 fixed kit 是否证明商品化机会,最后回到车型维度判断哪些组合值得继续商品化。

计算口径|Metric Definitions

下面保留严谨口径,方便校验数据。
配件统计范围

Revenue 分析:Domo DTC Online Store + paid;Product Category = Accessories / Accessory;剔除 free accessory 和 total sales <= 0。Attach rate 分析:同样限定 DTC paid 买车订单,但配件只判断是否存在,不要求付费。

Accessory Revenue

所有付费配件订单行的 net revenue / revenue 汇总,包含随整车购买和单独购买两类场景。

Accessory-only

订单中没有整车、但有至少 1 个付费配件的订单。整车识别以 Product Category = Ebike 为准。

Three Attach Rates

`Overall Attach Rate` = 买车订单里包含任意配件的订单 / 所有买车订单;`Fix Bundle Rate` = 买车订单里 order tag 包含 bundle / kit 的订单 / 所有买车订单;`Flex Bundle Rate` = 买车订单里同单 3+ 配件的订单 / 所有买车订单。

Revenue Share + AOV

Revenue share = 对应 attach 订单贡献的 paid accessory revenue / 同窗口整体 paid accessory revenue;AOV = 对应 attach 订单 paid accessory revenue / 对应 attach orders。

Fixed Kit Tracking

Domo DTC `Bundle line title` 包含 Comfort Upgrade Kit / Bike Essential Kit / Storage Kit;聚合到 order + kit title 后计算 kit units 和 revenue。

车型 Part 3

`Overall Attach Rate` = 买车订单里同单包含任意配件的订单 / 所有买车订单;`Fix Bundle Rate` = 买车订单里 order tag 包含 bundle / kit 的订单 / 所有买车订单;`Flex Bundle Rate` = 买车订单里同单包含 3+ 配件的订单 / 所有买车订单。

IBD Accessory

IBD Accessory Dealer Dashboard

这个 tab 从 dealer 角度看 IBD 配件业务:每月有多少 13-month active dealers 真正在下配件单、配件收入占 IBD 总收入比例、dealer AOV 分布,以及 YTD top-selling accessories。
YTD IBD Accessory Revenue

$969.9K,占 IBD total revenue 1.86%。

Avg Monthly Ordering Dealers

300 dealers / 1429 13M active dealers,平均覆盖率 21.01%。

Latest Month Dealer Coverage

2026-07 MTD:255 / 1,437 dealers,17.75%(M/M -9.82pp,Y/Y -7.51pp)。

Dealer Accessory AOV

Latest median $184;P25 $82,P75 $323。

Data source:Domo IBD Better Report最新可见日期:2026-07-21Dealer denominator:rolling 13-month active dealerIBD revenue 使用 Total sales
YTD IBD Accessory Revenue
$969.9K
占 IBD total revenue 1.86%
Avg Monthly Ordering Dealers
300
分母:平均 1429 个 13M active dealers;覆盖率 21.01%
Latest Dealer Order Rate
17.75%
2026-07 MTD:255 / 1,437 dealers
Latest Dealer AOV Median
$184
Dealer-level accessory AOV;P25 $82 / P75 $323

Monthly Dealer Trend

分母每月滚动更新:过去 13 个月内有任意有效 paid IBD 订单的 dealer。Dealer AOV 分布基于每个 dealer 当月配件销售额 / 配件订单数。
Month13M Active DealersAccessory Ordering DealersDealer Order RateM/MY/YAccessory RevenueRev ShareRevenue M/MRevenue Y/YAccessory OrdersAccessory AOV / OrderDealer AOV P25Dealer AOV MedianDealer AOV P75Accessory Value / EbikeValue / Ebike Y/Y
2026-011,39815911.37%-0.86pp+0.12pp$47,5351.64%-17.24%+199.00%217$219$67$147$293$20-15.38%
2026-021,40917112.14%+0.77pp-2.69pp$49,2661.07%+3.64%+78.61%223$221$59$141$268$14-25.49%
2026-031,41833323.48%+11.34pp+0.57pp$163,4481.58%+231.76%+82.83%565$289$86$196$331$20-10.08%
2026-041,43540428.15%+4.67pp+1.52pp$213,8342.23%+30.83%+46.97%810$264$93$200$322$27-1.81%
2026-051,44537726.09%-2.06pp+0.53pp$180,4941.78%-15.59%+26.74%768$235$90$186$295$22-38.29%
2026-061,45840227.57%+1.48pp+1.64pp$202,5041.96%+12.19%+21.58%787$257$85$186$310$24-32.25%
2026-07 MTD1,43725517.75%-9.82pp-7.51pp$112,8292.70%-44.28%-15.68%433$261$82$184$323$33+31.27%

Top Selling Accessories|YTD

按 2026 YTD IBD accessory revenue 排序,辅助判断 dealer 端主推商品和 MOQ / replenishment 机会。
RankAccessorySKURevenueRevenue ShareUnitsOrdersOrdering Dealers
1Velotric Suspension Seatpost 2.0AACC0099B$103,24510.64%1,761625311
2Velotric Rack Top BagAACC0119A$90,6389.35%1,832590285
3Front BasketAACC0034B$88,2559.10%1,498694382
4Nomad 2X BatteryABTR0019A$51,9985.36%185163127
5Velotric Tempo Rear RackAACC0135A$47,8834.94%1,201480231
6Multi-fonction phone holderAACC0037A$44,8944.63%1,971639312
7Velotric Tempo FenderAACC0136A$37,4283.86%1,063420211
8Rear Basket MAACC0027B$37,2523.84%688347226
9Velotric MirrorAACC0019B$34,6833.58%1,554637323
10Velotric Extra Battery PackABTR0010A$33,7803.48%1226658
11Summit 2 Modular Rear RackAACC0130A$29,1963.01%727356223
12GoMad Young Passenger KitAACC0150A$28,6882.96%292182151
13Velotric Rack Battery BagAACC0120A$22,3412.30%390182117
14GoMad Passenger KitAACC0146A$18,6081.92%301188157
15Long-Range Spare BatteryABTR0012A$17,7081.83%665040
16Discover 3 BatteryABTR0020A$17,6141.82%704642
17Breeze Air Suspension ForkAACC0131A$14,6161.51%1798857
18Rear Rack Pannier BagAACC0078A$13,5831.40%364157115
19F1 BatteryABTR0011B$12,5491.29%665134
20Velotric ComfortMax SaddleAACC0126A$11,9911.24%509204143

Metric Definitions

保留口径,方便后续对账。
13M Active Dealers

每个月从月初向前 12 个月到该月月末,共 13 个月窗口内,有至少 1 个有效 paid IBD order line 的唯一 dealer。

Accessory Ordering Dealers

该月 Product Category = Accessory / Accessories,且 quantity > 0、Total sales > 0 的配件下单 dealer。

Dealer Order Rate

Accessory Ordering Dealers / 13M Active Dealers,用来衡量 active dealer 中有多少实际参与配件销售。

Dealer Accessory AOV

每个 dealer 当月配件销售额 / 当月配件订单数;P25 / Median / P75 是 dealer 之间的分布,不是 SKU 均价。

Bulk Package Tracker

跟踪 DTC accessory bulk package order rate,包含 weekly rate、2-item / 3+ order breakdown,以及 Kit Bulk Package Rate。
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Cohort Lifecycle Tool

按 DTC 整车首次购买 cohort,拆 Same day / Day 1-30 / 后续窗口,并区分 First Buyer 与 Repeat Buyer。分母统一为 same cohort 全部整车用户;当前数据刷新至 2026-07-22。
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2026 Lifecycle penetration
53.46%
去重口径:3,726 个配件购买客户 / 6,970 个 same cohort 整车客户;数据刷新至 2026-07-22。
2026 Day 1-30 window
12.32%
窗口购买率:First 6.30% + Repeat 6.03%,分母仍是 6,970 个 cohort 客户。
2025 Reference
57.40%
2025 生命周期渗透率;用于对比 2026 当前 cohort 的首购/复购质量。