第七十章 就这么简单?(2 / 2)

“你修车牛啊,咱们不一样。我记得上次比赛你说你没有存在感。但骑车也是有你的啊,大家都会帮助你。但你看我倒好,比赛的机会都没有。在车队里洗衣服是洗不出什么存在感的。”

大炮开始以为卓颜是矫情,但听她说到存在感的问题,感同身受,开始意识到严重性,表情变得严肃起来。

“好吧,那帮无情无义的混蛋都走了。那就跟我说说你刚才说的冤怎么回事?”

“我的车不好骑啊!”卓颜气呼呼的拍一下小红的车座,“根本就不给力!”

“应该不会吧。这车我前天不是刚给你‘大保健’过吗。没什么问题啊。”大炮走到车子前面,“具体怎么回事?”

“我不是不相信你的手艺,可关键是这车一骑快了就上下颠荡,一骑快了就上下颠荡啊。我后来根本不敢使劲儿,速度能快嘛!”

卓颜把骑行时发生的具体情况仔细说了一遍。大炮开始听得很认真,听到后面双臂一抱竟笑了。

“我说的你不信吗?”卓颜有点儿气。

“信,但很正常。还是怪你自己不给力,可不是这车的事。”

“啊?”

大炮牛逼哄哄的伸出两个手指,“两个解决办法。第一个简单的方法,你变速调高一档,就不上下颠荡了。”

“就这么简单?”

——前方干货,请注意!——

“对。你不是穿锁鞋骑车,而且你骑车的时候不太会圆周用力,都是使全身劲儿往下踩,最后就会造成重心往下走,反作用力就是往上,速度越快,上下频率就越高,车子就会颠荡。但如果你把变速调高一档的话,频率变得不是那么高了,颠荡就会缓解。”

大炮怕她不理解,拿出笔来在白板上边画边讲解。

“有时候你会看到路上有些人骑一般的车或者共享单车,骑的挺快,但上下颠荡的厉害,就是这个原因。这种状态对于骑行者来说很难受。按照我刚才的理论,解决方式无非两种:第一,把速度降下来。第二种就是改变骑行方式。你每一下的蹬踏使劲发力转换成有意识的用大腿带动膝盖再带动小腿,将踏频提高,也就是转圈的速度提高,这样就可以缓解上下颠荡的问题。不过,我觉得最本质上的解决方式其实是,如果你骑行速度可以很快,那就不如开始骑公路车!

卓颜听到最后,眉头逐渐舒展开来,“搜噶。公路车算了,我去试试小红!”

今天的失败很惨痛,卓颜亟不可待的推着车子跑出总部大门。

大炮悠悠然的点上根烟,看着她试车。

果然,当速度升上去之后,调高一档变速,上下颠荡的问题彻底消失。

“大炮,你果然是个好技师,真是嘴到病除啊。”

卓颜把车骑回来,脸上露出笑意。

“那是。但有个问题。就是这只能解决一时。”大炮抽了一口烟,玩故弄玄虚。

“什么意思?”

“这就涉及到第二个解决方法。除了你有意识的360°用力以外,你得提高你的踏频。要不然你骑得再快点车还得颠荡。档位就那么几个,升到最高档你怎么办?”

“踏频?”

“这么说吧。你骑过马么?”

“骑过。”

“如果你骑过马就知道,你必须做到和马是一个频率,否则就颠屁股。骑车一个道理,牛逼的车手可以做到人车合一。人上半身纹丝不动,腿却像活塞一样飞速旋转。”

卓颜仔细琢磨了一下,脑海中出现朝洋在骑行台上训练的画面。果然如大炮所说。

“另外,高踏频会引起你心率的上升。踏频加快,你每次踩踏的力度就减少,肌肉系统的负担减轻,但心血管系统的负担就会加重。这时候你的呼吸会变粗。如果你踏频较低的时候,呼吸会好的多,但大腿会比较累。关键你得找到你自己最优的踏频,其实就是你的肌肉系统和心血管系统的平衡点。慢慢来。另外,力量是基础,踏频才是王道。这就是自行车手并不非得长得又高又壮的原因。”

“我有点儿明白了。罗锦豪就很干瘦,但是人家是山王。”

大炮满意的点点头,“对咯,他的踏频快的要死。心肺超强的。”

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