预期
The Girder aims to be the trail boss. XC, Trail and Enduro riders that demand top level performance, finish and fitment will not be let down
手臂竞赛
Sculpted arm shape for improved clearance and fit on a wider variety of mountain frames. At 498g for the Girder is perfect for XC/Trail riding.
HD--重负荷
We understand. You're hard on stuff. The Girder-HD arm set is 545g as we beefed up the carbon for Enduro riders like you. So, if you tend to take the "wrong line" we highly suggest you choose the Girder-HD.
家庭种植
From initial napkin sketches to the final production, the Girder is home grown. Developed and made In-House at Praxis with our own C.R.A.F.T. manufacturing process.
GIRDER CARBON
$310.00
GIRDER & GIRDER-HD | With an updated carbon shape, spacing and a Heavy Duty option, the Gen2 Girder Carbon aims to be the new trail master. XC and Enduro riders that expect top level performance, finish and fitment will not be let down.
桁架 : 山路/越野使用
HD长梁：Enduro使用
女孩使用
女童高清使用
| 规格参数 | |
|---|---|
| 腐蚀/使用 | 桁架 : 山地车/越野车 HD长臂：Enduro 请参阅下拉菜单了解提供的臂组 |
| 购买这个，如果: | 您需要的是我们的专家/专业级碳纤维MTN曲柄，它采用了3个螺栓直接安装链轮的接口。 |
| 材料 | 碳纤维臂和合金M30主轴(30mm/28mm) 重型 "HD "选项 |
| 重量 | 498克：170毫米武器装备
545克：HD 170毫米枪身 |
1X 戒指 | - praxis dm1x环在此 - 任何品牌的3螺栓直接安装1X MTN环都可以使用。 - 环的类型/偏移量决定了与任何特定MTN自行车传动系统的兼容性。 |
| MTN CHAINLINE | - 0毫米偏移=55毫米CL - 3毫米偏移 = 52毫米CL "提升" - 6毫米偏移 = 49毫米CL "非增压" 在此进行链线指导 |
| Q-Factor | 178mm |
| 主螺栓 | M30主螺栓/自拔器 用于安装/自拔的8毫米合金主曲轴螺栓 |
B.B.  | M30底部支架（需要）
BSA / BB90-92 / T47 E.B / BB30 / PF30 30mm驱动轴承/28mm非驱动轴承 |
| 技术 | C.R.A.F.T. Cabon Mfg. |
| 电源 选项 | 用于该曲柄的MTN功率计的售后市场 :
Power2Max -NG和NG Eco3-Bolt功率计 SRM -3个螺栓的功率计 SRM -动力踏板 GARMIN -Rally Power Pedals |
| 注意事项 | 更新了3螺栓DM环接口，使间距与既定的链线偏移量一致。骑手可以使用任何品牌的3-Bolt DM环。见图 - 在驱动侧臂的背面，你会看到一张贴纸，显示环的偏移量，以获得你所需要的链线。 |
热门问答
Girder是一个较轻的XC/Trail曲柄，非常适合大多数骑手。
Girder HD是一款Enduro曲柄，对于体型较大的骑手和那些对设备要求较高的人或骑行较激烈的山路的人来说是一个不错的选择。
你需要一个Praxis M30 BB来安装这个曲柄。
本框架/外壳指南将帮助你确定你需要哪种M30 BB。
你需要一个 直接安装的1X MTN链环使用3个螺栓的安装接口。
SOCIAL & NEWS
There's always exciting things happening at Praxis. The best ways to keep up is to follow us on our social feeds as many times that's the first place we post news!
运输
USA & CANADIAN Consumer orders placed after 12:00pm PST M-F are shipped the next business day. Orders placed on a weekend or holiday will be processed and shipped the next business day.
30 DAY / RETURNS – At Praxis, we are a core group of riders that believe you should be completely satisfied with the purchase you have made. Should an item purchased through the Praxis Online Store fail to meet your expectations, we will gladly accept its return within 30 days of original purchase date.
保修期
Praxis warrants components to be free from defects in materials or workmanship for a period of 2yrs after original purchase to the original owner.
However, there are limitations such as normal wear and tear…as “nothing lasts forever” so please read our Full Warranty