SHIMANO DXR HOLLOWTECH II BMX Crankset
FC-MX71
SHIMANO DXR - HOLLOWTECH II - BMX Crankset
Designed for the action of BMX racing, the SHIMANO DXR crank uses HOLLOWTECH II crankarms and steel pedal inserts. Available in 165, 170, 175, and 180mm crankarm lengths and with 34, 38, 41, 42, 43, 44, and 46T chainring options.
FEATURES
- HOLLOWTECH II design with spider arm
- Lightweight but rigid and strong crank design
- Narrower Q-factor for smooth pedaling
- Steel pedal insert
- Crank arms lengths: 165mm, 170mm, 175mm, 180mm
- Chainring options: 34/38/41/42/43/44/46T
- Chainline: 44mm
- 68mm bottom bracket shell compatible
- Chain size: 1/2x3/32
PRODUCT SPECIFICATIONS
| MODEL NO | FC-MX71 |
|---|---|
| SERIES | DXR MX70 Series |
| Color | Series color |
| Average weight | 765 (w/o chainring) |
| Remarks | BMX racing 68 mm bottom bracket shell width |
|---|---|
| Rear speeds | 1 |
| Compatible chain | Single speed |
| Chain line (mm) | 44 |
| O.L.D.|Thru (mm) | 142 |
| O.L.D.|QR/Nut (mm) | 135 |
| P.C.D. (mm) | 104/64 |
| Spider/gear arms | 4 |
| Chainring combination | 34T, 38T, 41T, 42T, 43T, 44T, 46T |
| Q-factor (mm) | 173 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Crank arm length (mm)|180 | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH II | ✔ |
| 2-PIECE CRANKSET | ✔ |
| HOLLOWTECH crank arm | ✔ |
| Compatible bottom bracket type|Outboard | ✔ |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|73 | ✔ |
| Crank fixing screw included | ✔ |
